Delayed hypersensitivity to extracts from primary sarcomata in the autochthonous host.
D000818:Animals; D001580:Benzopyrenes; D005354:Fibrosarcoma / Q000139:chemically induced / Q000276:immunology*; D006968:Hypersensitivity, Delayed; D009368:Neoplasm Transplantation; D051381:Rats; D012513:Sarcoma, Experimental / Q000276:immunology*; D014181:Transplantation Immunology
D001580:Benzopyrenes